Disable Events from Email

These settings define whether Outlook or Outlook on the web (formerly known as Outlook Web App) automatically discovers events from email messages and adds them to the user’s calendar.
— From Set-EventsFromEmailConfiguration

Prerequisites

These commands require the ExchangeOnlineManagement module.

Commands

Reset Permissions for the entire company

Get-Mailbox -RecipientTypeDetails UserMailbox -ResultSize Unlimited | Set-EventsFromEmailConfiguration -ResetSettings

Disable processing for the entire company

Get-Mailbox -RecipientTypeDetails UserMailbox -ResultSize Unlimited | Set-EventsFromEmailConfiguration -FlightReservationProcessingLevel Disabled -LodgingReservationProcessingLevel Disabled -ParcelDeliveryProcessingLevel Disabled -RentalCarReservationProcessingLevel Disabled

More Information

Events from Email in Office 365 and how to disable them

Set-EventsFromEmailConfiguration